import { Fragment } from 'react';
import { Disclosure, Menu, Transition } from '@headlessui/react';
import { Bars3Icon, BellIcon, XMarkIcon } from '@heroicons/react/24/outline';
import { Outlet, Link } from 'react-router-dom';
import Avatar from '../components/ui/Avatar';

const user = {
  name: 'Tom Cook',
  email: 'tom@example.com',
  imageUrl:
    'https://images.unsplash.com/photo-1472099645785-5658abf4ff4e?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=facearea&facepad=2&w=256&h=256&q=80',
};
const navigation = [
  { name: 'Home', href: '/', current: true },
  { name: 'About', href: '/about', current: false },
  { name: 'App', href: '/app', current: false },
  { name: '注册', href: '/register', current: false },
  { name: '登录', href: '/login', current: false },
  { name: '我的', href: '/me', current: false },
  { name: '组件', href: '/components', current: false },
];
const userNavigation = [
  { name: 'Your Profile', href: '#' },
  { name: 'Settings', href: '#' },
  { name: 'Sign out', href: '#' },
];

function classNames(...classes: string[]) {
  return classes.filter(Boolean).join(' ');
}

function WideScreenLeftNavItem({ name, href, current }: { name: string; href: string; current: boolean }) {
  return (
    <Link
      to={href}
      className={classNames(
        current ? 'bg-kq-900 text-white' : 'text-violet-300 hover:bg-kq-700 hover:text-white',
        'rounded-md px-3 py-2 text-sm font-medium'
      )}
      aria-current={current ? 'page' : undefined}
    >
      {name}
    </Link>
  );
}

function NarrowScreenLeftNavItem({ name, href, current }: { name: string; href: string; current: boolean }) {
  // TODO: 这怎么改成 link
  return (
    <Disclosure.Button
      as="a"
      href={href}
      className={classNames(
        current ? 'bg-kq-900 text-white' : 'text-violet-300 hover:bg-kq-700 hover:text-white',
        'block rounded-md px-3 py-2 text-base font-medium'
      )}
      aria-current={current ? 'page' : undefined}
    >
      {name}
    </Disclosure.Button>
  );
}

function WideScreenRignhtNavItem({ name, href }: { name: string; href: string }) {
  // TODO: 这怎么改成 link
  return (
    <Menu.Item>
      {({ active }) => (
        <a href={href} className={classNames(active ? 'bg-kq-100' : '', 'block px-4 py-2 text-sm text-violet-700')}>
          {name}
        </a>
      )}
    </Menu.Item>
  );
}

function NarrowScreenRignhtNavItem({ name, href }: { name: string; href: string }) {
  // TODO: 这怎么改成 link
  return (
    <Disclosure.Button
      as="a"
      href={href}
      className="block rounded-md px-3 py-2 text-base font-medium text-violet-400 hover:bg-kq-700 hover:text-white"
    >
      {name}
    </Disclosure.Button>
  );
}

function NotificationButton() {
  return (
    <button
      type="button"
      className="relative rounded-full bg-kq-800 p-1 text-violet-400 hover:text-white focus:outline-none focus:ring-2 focus:ring-white focus:ring-offset-2 focus:ring-offset-violet-800"
    >
      <span className="absolute -inset-1.5" />
      <span className="sr-only">View notifications</span>
      <BellIcon className="h-6 w-6" aria-hidden="true" />
    </button>
  );
}

function BrandImage() {
  return (
    <img
      className="h-8 w-8"
      src="https://tailwindui.com/img/logos/mark.svg?color=violet&shade=500"
      alt="Your Company"
    />
  );
}

export default function DefaultLayout() {
  return (
    <>
      <div className="min-h-full">
        <Disclosure as="nav" className="bg-kq-800">
          {({ open }) => (
            <>
              <div className="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8">
                <div className="flex h-16 items-center justify-between">
                  <div className="flex items-center">
                    <div className="flex-shrink-0">
                      <BrandImage />
                    </div>
                    <div className="hidden md:block">
                      <div className="ml-10 flex items-baseline space-x-4">
                        {navigation.map((item) => (
                          <WideScreenLeftNavItem key={item.name} {...item} />
                        ))}
                      </div>
                    </div>
                  </div>
                  <div className="hidden md:block">
                    <div className="ml-4 flex items-center md:ml-6">
                      <NotificationButton />
                      {/* Profile dropdown */}
                      <Menu as="div" className="relative ml-3">
                        <div>
                          <Menu.Button className="relative flex max-w-xs items-center rounded-full bg-kq-800 text-sm focus:outline-none focus:ring-2 focus:ring-white focus:ring-offset-2 focus:ring-offset-violet-800">
                            <span className="absolute -inset-1.5" />
                            <span className="sr-only">Open user menu</span>
                            <Avatar src={user.imageUrl} />
                          </Menu.Button>
                        </div>
                        <Transition
                          as={Fragment}
                          enter="transition ease-out duration-100"
                          enterFrom="transform opacity-0 scale-95"
                          enterTo="transform opacity-100 scale-100"
                          leave="transition ease-in duration-75"
                          leaveFrom="transform opacity-100 scale-100"
                          leaveTo="transform opacity-0 scale-95"
                        >
                          <Menu.Items className="absolute right-0 z-10 mt-2 w-48 origin-top-right rounded-md bg-white py-1 shadow-lg ring-1 ring-black ring-opacity-5 focus:outline-none">
                            {userNavigation.map((item) => (
                              <WideScreenRignhtNavItem key={item.name} {...item} />
                            ))}
                          </Menu.Items>
                        </Transition>
                      </Menu>
                    </div>
                  </div>
                  <div className="-mr-2 flex md:hidden">
                    <NotificationButton />
                    {/* Mobile menu button */}
                    <Disclosure.Button className="relative inline-flex items-center justify-center rounded-md bg-kq-800 p-2 text-violet-400 hover:bg-kq-700 hover:text-white focus:outline-none focus:ring-2 focus:ring-white focus:ring-offset-2 focus:ring-offset-violet-800">
                      <span className="absolute -inset-0.5" />
                      <span className="sr-only">Open main menu</span>
                      {open ? (
                        <XMarkIcon className="block h-6 w-6" aria-hidden="true" />
                      ) : (
                        <Bars3Icon className="block h-6 w-6" aria-hidden="true" />
                      )}
                    </Disclosure.Button>
                  </div>
                </div>
              </div>

              <Disclosure.Panel className="md:hidden">
                <div className="space-y-1 px-2 pb-3 pt-2 sm:px-3">
                  {navigation.map((item) => (
                    <NarrowScreenLeftNavItem key={item.name} {...item} />
                  ))}
                </div>
                <div className="border-t border-violet-700 pb-3 pt-4">
                  <div className="flex items-center px-5">
                    <div className="flex-shrink-0">
                      <Avatar src={user.imageUrl} />
                    </div>
                    <div className="ml-3">
                      <div className="text-base font-medium leading-none text-white">{user.name}</div>
                      <div className="text-sm font-medium leading-none text-violet-400">{user.email}</div>
                    </div>
                  </div>
                  <div className="mt-3 space-y-1 px-2">
                    {userNavigation.map((item) => (
                      <NarrowScreenRignhtNavItem key={item.name} {...item} />
                    ))}
                  </div>
                </div>
              </Disclosure.Panel>
            </>
          )}
        </Disclosure>
        <main>
          <div className="mx-auto max-w-7xl py-6 sm:px-6 lg:px-8">
            <Outlet />
          </div>
        </main>
      </div>
    </>
  );
}
